This report described an Apache helicopter firing warning shots after coming under fire. Its reaction was described as “an escalation of force.”

该报告中描述了一架阿帕奇直升机在遭遇攻击后发射警示弹，而它的反应被形容为“火力升级”。

youdao

Objective: To investigate the effect of shoe heel height on the ground reaction force and the center of sole force.

目的：通过研究女性行走时地面反力和鞋底压力中心，探讨鞋跟高度对地面反力和鞋底压力中心的影响。

youdao

The static characteristics of the single pylon cable-stayed include the internal force and deformation of main girder, reaction force, force and deformation of the main tower.

独塔混凝土斜拉桥的静力特性主要包括主梁受力及变形、支座反力、主塔受力及变形、拉索受力。

youdao

In theory, such flare-ups should offer the European Union a chance to show some military mettle for all its talk of having a rapid-reaction force of its own, but in practice the Macedonian crisis comes when Europeans are still wholly unready for reaction.

ECONOMIST: Pulling together, or pulling apart?

European leaders are set to take a vital step towards the creation of a Rapid Reaction Force of up to 60, 000 personnel.

CNN: Europe bites bullet with defence force

It is also implementing a radical reform of its command structure and forces, the key to which will be the creation of a new Nato reaction force of 15-20, 000 personnel, designed to react in days rather than weeks or months to crises around the world.

BBC: NEWS | Americas | Nato studies future tasks